Home / 794,515.80-1,191,773.70-478,810.20

Finding the Fourth Proportional to 794,515.80, 1,191,773.70 and 478,810.20

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Solution

The fourth proportional to 794,515.80, 1,191,773.70 and 478,810.20 is: 718,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,515.80 : 1,191,773.70 = 478,810.20 : x
  2. Step 2: Convert to fraction form
    794,515.80/1,191,773.70 = 478,810.20/x
  3. Step 3: Cross multiply
    794,515.80x = 1,191,773.70 × 478,810.20
  4. Step 4: Simplify right side
    794,515.80x = 570,633,403,651.74
  5. Step 5: Solve for x
    x = 570,633,403,651.74/794,515.80
  6. Step 6: Final answer
    x = 718,215.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.